Ethylene glycol is used as a protecting group for carbonyl groups in organic synthesis. Treating a ketone or aldehyde with ethylene glycol in the presence of an acid catalyst (e.g., p-toluenesulfonic acid; BF3â¢Et2O) gives the corresponding a 1,3-dioxolane, which is resistant to bases and other nucleophiles.
Charles Street and Beacon Hill in Historic Boston, Massachusetts. Shops on Charles Street are an eclectic mix of boutiques, galleries, jewelry stores and home accessory shops with plenty of nearby restaurants, inns and historic sites.
Staying in Back Bay. Wander around this quintessential neighborhood in the heart of Boston for high-end shops, restaurants, and the feeling of city bustle. Its most identifiable skyscrapers, the Prudential Center and John Hancock Tower, are highlights of the city skyline. Visit Newbury street to explore unique and trendy boutiques â as well as every other kind of store imaginable â all housed in beautiful brownstone buildings.